input: Make the OverscrollController less intrusive, and some code cleanup.

content/browser/renderer_host/input/buffered_input_router.h

Index: content/browser/renderer_host/input/buffered_input_router.h
diff --git a/content/browser/renderer_host/input/buffered_input_router.h b/content/browser/renderer_host/input/buffered_input_router.h
index e1652f5a89f8d25c1830656357170abcf239f669..a9802a68198969db0c48f12e977a4a81f5b9241d 100644
--- a/content/browser/renderer_host/input/buffered_input_router.h
+++ b/content/browser/renderer_host/input/buffered_input_router.h
@@ -67,7 +67,6 @@ class CONTENT_EXPORT BufferedInputRouter
   virtual bool ShouldForwardTouchEvent() const OVERRIDE;
   virtual bool ShouldForwardGestureEvent(
       const GestureEventWithLatencyInfo& gesture_event) const OVERRIDE;
-  virtual bool HasQueuedGestureEvents() const OVERRIDE;
 
   // InputQueueClient
   virtual void Deliver(const EventPacket& packet) OVERRIDE;
@@ -124,9 +123,6 @@ class CONTENT_EXPORT BufferedInputRouter
   typedef std::map<int64, NativeWebKeyboardEvent> KeyMap;
   KeyMap queued_key_map_;
 
-  // Necessary for |HasQueuedGestureEvents()|.
-  int queued_gesture_count_;
-
   // Necessary for |ShouldForwardTouchEvent()|.
   bool has_touch_handler_;
   int queued_touch_count_;